FTIR峰解读
What absorbs at 1256 cm⁻¹ in an FTIR spectrum?
A band near 1256 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 6 cited sources
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| C-O single bond | 2 | 1 | 0.9 |
| Silicon carbon | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.9 |
| C n single bond | 1 | 1 | 0.9 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
-
C n single bond 置信度 0.9
“C-N stretching”
Arbab Solimani 等 - 2023 - Carboxymethyl Chitosan-Functionalized Polyaniline DOI: 10.1007/s12010-023-04526-6 -
C-O single bond 置信度 0.9
“Attributed to C-O-C stretches (ether linkage).”
Ashraf 等 - 2018 - Synthesis of polyimides from alpha,alpha '-bis(3-a DOI: 10.1016/j.molstruc.2018.01.098 -
Alkyl C-H 置信度 0.9
“Text: 'around 1256 CH2 asymmetric stretching'”
Safari 等 - 2020 - Effect of Nanoconfinement on the Isodimorphic Crys DOI: 10.1016/j.nantod.2008.10.014. -
Silicon carbon 置信度 0.9
“Text: 'absorption band at 1256 is attributed to the vibration mode of -Si-C'”
Tavares 等 - 2014 - TiO2PDMS nanocomposites for use on self-cleaning DOI: 10.1016/j.surfcoat.2013.11.009 -
置信度 0.9
“Explicit assignment: 'S units at 1256 cm-1'.”
Yoo 等 - 2016 - Understanding the Physicochemical Characteristics DOI: 10.1007/s12155-015-9662-6 -
置信度 0.8
“Text: 'bands at 1313 cm-1 and 1256 cm-1 can be explained by an exopolymer'”
Garip 等 - 2009 - Use of Fourier transform infrared spectroscopy for DOI: 10.1016/j.foodchem.2008.08.063
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